![]() ![]() Firewalls are important because they have had a major impact on modern security techniques and are still widely used. Using a Firewall is certainly not without reason. The Importance of Firewalls in Computer Networks They are widely considered as an important component of network security. It checks incoming and outgoing traffic using a set of rules to identify and block threats.įirewalls are used in personal and corporate settings, and many devices come with one built-in, including Mac, Windows, and Linux computers. In simple terms, a firewall is software or firmware that prevents unauthorized access to a network. Therefore, for large companies or those that are still new, it is necessary to have hardware and software that is able to secure their computer networks deftly, by using a firewall. Network security is often ignored by many people, just use it. However, people’s understanding is still minimal about computer network security. What’s more, even for every business it is always related to the internet so that the business can run smoothly and get more advanced. The need for the internet has indeed become very fast in this 20th century. ![]()
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